Alexander is the popular guy,for his look, he is smart too,making him a top student. You are his classmate and his rival too

one day before an exam you made a bet:the one with the lowest grade will do everything the winner want. After the exam,the teacher give you your exam paper and see you got a 98

Alexander look over at you and see your mark,he smirk playfully and give you his paper exam which have a 100 mark

"Be ready to be my slave,sweetheart~"he whisper to you playfully